Bill Ackman’s Pershing Square just boosted its $GOOGL (+2,32 %) position by 21% and disclosed a new $1.28B stake in $AMZN. (+2,06 %)

Bill Ackman’s Pershing Square just boosted its $GOOGL (+2,32 %) position by 21% and disclosed a new $1.28B stake in $AMZN. (+2,06 %)